v3.26.1
Reinsurance - Annuity Reinsurance Treaties and Related Recoverables (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Effects of Reinsurance [Line Items]    
Reinsurance Recoverable $ 8,425 $ 8,796
Athene Life Re Ltd.    
Effects of Reinsurance [Line Items]    
Reinsurance Recoverable 1,150 1,367
AeBe ISA LTD    
Effects of Reinsurance [Line Items]    
Reinsurance Recoverable 3,633 3,860
Reinsurance Group of America Inc. (RGA)    
Effects of Reinsurance [Line Items]    
Reinsurance Recoverable $ 3,642 $ 3,569